Then again he could be playing word games. Way too early to speculate who or why. It could also be domestic terrorism. No one knows yet.

He could be but I saw the interview and he was pretty clear and repeated him self a few times.
"We have not had amy one in custody"

The initial reports were that the person was in the hospital and has burns. A suicide bomber wouldn't have been in a hospital, and one would assume the guy on the remote button was further than 10 feet away, so the burned part didn't make sense to me.